Ashish Futtan is teaching live on Unacademy Plus
manufacturing and production
HELLO! I am ASHISH FUTTAN MTECH-IIT BOMBAY TOP STAR EDUCATOFR VERIFIED EDUCATOR CRACKED VARIOUS IITS 3 TIMES GATE QUALIFIED PUBLISHED MORE THAN 600 LESSONS
IES - 2005 Assertion (A): Carbide tips are generally given negative rake angle. Reason (R): Carbide tips are made from very hard materials (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true
IES Statement () The ceramic tools used in machining of material have highly brittle tool tips. Statement (il) : Ceramic tools can be used on hard-to machine work material. (a) Both statement (I) and (II) are individually true and statement (II) is the correct explanation of statement (I) (b) Both statement (l) and statement(lI) are individually true but statement(lI) is not the correct explanation of statement (I) (c) Statement (I) is true but Statement (II) is false (d) Statement (I) is false but statement (Il) is true
IES - 2002 Assertion (A): Negative rake is usually provided on carbide tipped tools. Reason (R): Carbide tools are weaker in compression. (a) Both A and R are individually true and R is the correct explanation of A (b) Both A and R are individually true but R is not the correct explanation of A (c) A is true but R is false (d) A is false but R is true
IES 2011 Which one of the following statement is NOT correct with reference to the purposes and effects of rake angle of a cutting tool? (a) To guide the chip flow direction (b) To reduce the friction between the tool flanks and the machined surface (c) To add keenness or sharpness to the cutting edges. (d) To provide better thermal efficiency.
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